The BWSBF-8/13R5-3 from Sainty-Tech Communications Limited is a Switched Filter Bank with Frequency 8 to 13.5 GHz, Band 1 8 to 10 GHz, Band 2 10 to 12 GHz, Band 3 12 to 13.5 GHz, Insertion Loss 4.5 to 5.5 dB. Tags: Die. More details for BWSBF-8/13R5-3 can be seen below.